import axios from 'axios'
import { Message } from 'element-ui'
import router from '../router'

//请求拦截器
axios.interceptors.request.use(config=>{
  //如果存在token,请求携带这个token
  if(window.sessionStorage.getItem('tokenStr')){
    config.headers['Authorization'] = window.sessionStorage.getItem('tokenStr')
  }
  return config
},error=>{
  console.log(error);
})

//响应体拦截器
axios.interceptors.response.use(success => {
  //业务逻辑错误
  if (success.status && success.status == 200) {
    //响应状态码: 500业务逻辑错误  401未登录  403权限禁止
    if (success.data.code == 500 || success.data.code == 401 || success.data.code == 403) {
      Message.error({ message: success.data.message })
      return
    }
    if (success.data.message) {
      Message.success({ message: success.data.message })
    }
  }
  return success.data
}, error => {
  if (error.response.code == 504 || error.response.code == 404) {
    Message.error({ message: '服务器被吃了!' })
  } else if (error.response.code == 403) {
    Message.error({ message: '权限不足,请联系管理员' })
  } else if (error.response.code == 401) {
    Message.error({ message: '尚未登录,请登录' })
    router.replace('/')
  } else {
    if (error.response.data.message) {
      Message.error({ message: error.response.data.message })
    } else {
      Message.error({ message: '未知错误!' })
    }
  }
  return
})

let base = ''

//传送json格式的post请求
export const postRequest = (url, params) => {
  return axios({
    method: 'POST',
    url: `${base}${url}`,
    data: params
  })
}

export const putRequest = (url, params) => {
  return axios({
    method: 'PUT',
    url: `${base}${url}`,
    data: params
  })
}

export const getRequest = (url, params) => {
  return axios({
    method: 'GET',
    url: `${base}${url}`,
    data: params
  })
}

export const deleteRequest = (url, params) => {
  return axios({
    method: 'DELETE',
    url: `${base}${url}`,
    data: params
  })
}